body {
    background-color: #eee;
    margin: 0;
    font-family: Arial, sans-serif;
}

header {
    height: 30px;
    background-color: #000;
    margin-bottom: 20px;
    box-shadow: 0 0 5px #555;
}

header nav {
    margin-right: 50px;
    color: #fff;
    float: right;
}

header nav:after {
    clear: both;
}

section#main {
    width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
}

form {
    float: left;
    width: 400px;
}

form input[type=submit] {
    border: none;
    padding: 2px;
    border: 1px solid #aaa;
    border-radius: 3px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

form input[type=submit]:hover {
    box-shadow: 0 0 5px #aaa;
}

div.candidate {
    width: 202px;
    margin: auto;
    margin-bottom: 10px;
    padding: 1px;
    border: 1px solid #aaa;
    box-shadow: 0 0 5px #555;
}

.clear {
    clear: both;
}

a {
    text-decoration: none;
    color: inherit;
}
